What transformations were applied to ABCD to obtain A'B'C'D? B
С
8
6
C'
DI
A
4
2
A
B
-12
-10
-5
4
4
2
-4
8
A. Rotate 90 degrees counterclockwise about the origin, then
translate 2 units left

Assuming everyone in the family showers only once a day,time taken by 1 person to shower = 11*60+15= 675 secondstime taken by 5 people = 5*675 = 3,375 stime taken by the family in a week = 7*3,375 =23,625 samount of water used in a week = 23,625/(10*60) = 39.375 = 40 liters